| /* |
| * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package build.tools.jigsaw; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.io.PrintStream; |
| import java.io.UncheckedIOException; |
| import java.lang.module.ModuleDescriptor; |
| import java.lang.module.ModuleFinder; |
| import java.lang.module.ModuleReference; |
| import java.net.URI; |
| import java.nio.file.FileSystem; |
| import java.nio.file.FileSystems; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.nio.file.attribute.BasicFileAttributes; |
| import java.time.LocalDateTime; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarFile; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| /** |
| * Run this tool to generate the JDK internal APIs in the previous releases |
| * including platform-specific internal APIs. |
| */ |
| public class ListPackages { |
| // Filter non-interesting JAR files |
| private final static List<String> excludes = Arrays.asList( |
| "deploy.jar", |
| "javaws.jar", |
| "plugin.jar", |
| "cldrdata.jar", |
| "localedata.jar" |
| ); |
| private static void usage() { |
| System.out.println("ListPackages [-o <outfile>] [-jdkinternals] <javaHome> [<javaHome>]*"); |
| } |
| |
| private static final Set<String> EXPORTED_PACKAGES = new HashSet<>(); |
| |
| public static void main(String... args) throws IOException { |
| List<Path> paths = new ArrayList<>(); |
| Path outFile = null; |
| boolean jdkinternals = false; |
| int i=0; |
| while (i < args.length) { |
| String arg = args[i++]; |
| if (arg.equals("-o")) { |
| outFile = Paths.get(args[i++]); |
| } else if (arg.equals("-jdkinternals")) { |
| jdkinternals = true; |
| } else { |
| Path p = Paths.get(arg); |
| if (Files.notExists(p)) |
| throw new IllegalArgumentException(p + " not exist"); |
| paths.add(p); |
| } |
| } |
| if (paths.isEmpty()) { |
| usage(); |
| System.exit(1); |
| } |
| |
| // Get the exported APIs from the current JDK releases |
| Path javaHome = Paths.get(System.getProperty("java.home")); |
| ModuleFinder.ofSystem().findAll() |
| .stream() |
| .map(ModuleReference::descriptor) |
| .filter(md -> !md.name().equals("jdk.unsupported")) |
| .flatMap(md -> md.exports().stream()) |
| .filter(exp -> !exp.isQualified()) |
| .map(ModuleDescriptor.Exports::source) |
| .forEach(EXPORTED_PACKAGES::add); |
| |
| ListPackages listPackages = new ListPackages(paths); |
| Stream<String> pkgs = listPackages.packages().stream(); |
| if (jdkinternals) { |
| pkgs = pkgs.filter(pn -> !EXPORTED_PACKAGES.contains(pn)); |
| } |
| if (outFile != null) { |
| try (OutputStream out = Files.newOutputStream(outFile); |
| PrintStream pw = new PrintStream(out)) { |
| write(pw, pkgs); |
| } |
| } else { |
| write(System.out, pkgs); |
| } |
| } |
| |
| |
| private static void write(PrintStream pw, Stream<String> packages) { |
| pw.println("# This file is auto-generated by ListPackages tool on " + |
| LocalDateTime.now().toString()); |
| packages.sorted().forEach(pw::println); |
| } |
| |
| private final Set<String> packages = new HashSet<>(); |
| ListPackages(List<Path> dirs) throws IOException { |
| for (Path p : dirs) { |
| packages.addAll(list(p)); |
| } |
| } |
| |
| Set<String> packages() { |
| return packages; |
| } |
| |
| private Set<String> list(Path javaHome) throws IOException { |
| Path jrt = javaHome.resolve("lib").resolve("modules"); |
| Path jre = javaHome.resolve("jre"); |
| |
| if (Files.exists(jrt)) { |
| return listModularRuntime(javaHome); |
| } else if (Files.exists(jre.resolve("lib").resolve("rt.jar"))) { |
| return listLegacyRuntime(javaHome); |
| } |
| throw new IllegalArgumentException("invalid " + javaHome); |
| } |
| |
| private Set<String> listModularRuntime(Path javaHome) throws IOException { |
| Map<String, String> env = new HashMap<>(); |
| env.put("java.home", javaHome.toString()); |
| FileSystem fs = FileSystems.newFileSystem(URI.create("jrt:/"), env); |
| Path root = fs.getPath("packages"); |
| return Files.walk(root, 1) |
| .map(Path::getFileName) |
| .map(Path::toString) |
| .collect(Collectors.toSet()); |
| } |
| |
| private Set<String> listLegacyRuntime(Path javaHome) throws IOException { |
| List<Path> dirs = new ArrayList<>(); |
| Path jre = javaHome.resolve("jre"); |
| Path lib = javaHome.resolve("lib"); |
| |
| dirs.add(jre.resolve("lib")); |
| dirs.add(jre.resolve("lib").resolve("ext")); |
| dirs.add(lib.resolve("tools.jar")); |
| dirs.add(lib.resolve("jconsole.jar")); |
| Set<String> packages = new HashSet<>(); |
| for (Path d : dirs) { |
| Files.find(d, 1, (Path p, BasicFileAttributes attr) |
| -> p.getFileName().toString().endsWith(".jar") && |
| !excludes.contains(p.getFileName().toString())) |
| .map(ListPackages::walkJarFile) |
| .forEach(packages::addAll); |
| } |
| return packages; |
| } |
| |
| static Set<String> walkJarFile(Path jarfile) { |
| try (JarFile jf = new JarFile(jarfile.toFile())) { |
| return jf.stream() |
| .map(JarEntry::getName) |
| .filter(n -> n.endsWith(".class")) |
| .map(ListPackages::toPackage) |
| .collect(Collectors.toSet()); |
| } catch (IOException e) { |
| throw new UncheckedIOException(e); |
| } |
| } |
| |
| static String toPackage(String name) { |
| int i = name.lastIndexOf('/'); |
| if (i < 0) { |
| System.err.format("Warning: unnamed package %s%n", name); |
| } |
| return i >= 0 ? name.substring(0, i).replace("/", ".") : ""; |
| } |
| } |